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Fraser Fir Mortality and the Dynamics of a Great Smoky Mountains Fir-Spruce Stand." Castanea 53, no. 3 (1988): 177-182.
"Frost Hardiness of Picea rubens Growing in Spruce Decline Regions of the Appalachians." Tree Physiology 5, no. 1 (1989): 25-37.
"Geographical Affinities of the Southern Appalachian High Mountain Flora." The ASB Bulletin 7, no. 2 (1960): 37.
"Gradient Analysis of Old Spruce – Fir Forests of the Great Smoky Mountains circa 1935." Canadian Journal of Botany 71, no. 7 (1993): 951-958.
"Ground Vegetation Patterns of the Spruce-Fir Area of the Great Smoky Mountains National Park." Virginia Journal of Science 11 (1960): 9-18.
"Ground Vegetation Patterns of the Spruce-Fir Area of the Great Smoky Mountains National Park." Ecological Monographs 28, no. 4 (1958): 338-360.
"Growth and Physiological Changes in Red Spruce Saplings Associated with Acidic Deposition at High Elevations in the Southern Appalachians, USA." Forest Ecology and Management 51, no. 1-3 (1992): 43-51.
"Growth Pattern of Picea rubens Prior to Canopy Recruitment." Plant Ecology 140, no. 2 (1999): 245-253.
"Growth-trend Declines of Spruce and Fir in Mid-Appalachian Subalpine Forests." Environmental and Experimental Botany 25, no. 4 (1985): 315-325.
"High-elevation Ground-layer Plant Community Composition Across Environmental Gradients in Spruce-Fir Forests." Ecological Research 26, no. 6 (2011): 1089-1101.
"Impact of the Balsam Woolly Adelgid (Adelges piceae Ratz.) on an Abies fraseri (Pursh) Poir. Dominated Stand near the Summit of Mount LeConte, Tennessee." Castanea 68, no. 2 (2003): 109-118.
"Increased Dark Respiration and Calcium Deficiency of Red Spruce in Relation to Acidic Deposition at High-elevation Southern Appalachian Mountain Sites." Canadian Journal of Forest Research 21 (1991): 1234-1244.
"The Influence of Logging and Topography on the Distribution of Spruce-Fir Forests Near Their Southern Limits in Great Smoky Mountains National Park, USA." Plant Ecology 189, no. 1 (2007): 59-70.
"Intensive 1-Month Investigation of Trace Metal Deposition and Throughfall at a Mountain Spruce Forest." Water, Air and Soil Pollution 53, no. 3/4 (1990): 213-226.
"Investigation of Acid Deposition Effects on Southern Appalachian Red Spruce (Picea Rubens) by Determination of Calcium, Magnesium, and Aluminum in Foliage and Surrounding Soil Using Icp-Oes." Instrumentation Science & Technology 38, no. 5 (2010): 341-358.
"Land Use History of Three Spruce-Fir Forest Sites in Southern Appalachia." Journal of Forest History 32, no. 1 (1988): 4-21.
"Late Winter and Early Spring Home Range and Habitat Use of the Endangered Carolina Northern Flying Squirrel in Western North Carolina." Endangered Species Research 23, no. 1 (2014): 73-82.
"The Latitude-Elevation Relationship for Spruce-Fir Forest and Treeline along the Appalachian Mountain Chain." Vegetatio 94, no. 2 (1991): 153-175.
"Microfungi of Forest Litter From Healthy American Beech, Fraser Fir, and Eastern Hemlock Stands in Great Smoky Mountains National Park." Southeastern Naturalist 8, no. 4 (2009): 609-630.
"Mortality Trends in a Southern Appalachian Red Spruce Population." Forest Ecology and Management 64, no. 1 (1994): 41-45.
"A Multivariate Analysis of Forest Communities in the Western Great Smoky Mountains National Park." American Midland Naturalist 118, no. 1 (1987): 107-120.
"Mycetozoans of the Great Smoky Mountains National Park: An All Taxa Biodiversity Inventory Project." Southeastern Naturalist 8, no. 2 (2009): 317-324.
"Natural Disturbance and Gap Phase Dynamics in Southern Appalachian Spruce-Fir Forests." Canadian Journal of Forest Research 15 (1985): 233-240.
"Net Production Relations of Shrubs in the Great Smoky Mountains." Ecology 43, no. 3 (1962): 357-377.
"Nitrogen Saturation and Soil N Availability in a High-Elevation Spruce and Fir Forest." Water Air and Soil Pollution 120, no. 3-4 (2000): 295-313.
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